1 files changed, 126 insertions, 0 deletions
diff --git a/security/manager/ssl/tests/unit/test_sss_savestate.js b/security/manager/ssl/tests/unit/test_sss_savestate.js
new file mode 100644
index 0000000000..1ab4ceaf40
--- /dev/null
+++ b/security/manager/ssl/tests/unit/test_sss_savestate.js
@@ -0,0 +1,126 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+// The purpose of this test is to see that the site security service properly
+// writes its state file.
+
+const EXPECTED_ENTRIES = 5;
+const EXPECTED_HSTS_COLUMNS = 3;
+
+var gProfileDir = null;
+var gExpectingWrites = true;
+
+// For reference, the format of the state file is a list of:
+// <domain name> <expiration time in milliseconds>,<sts status>,<includeSubdomains>
+// separated by newlines ('\n')
+
+function checkStateWritten(aSubject, aTopic, aData) {
+  if (aData == CLIENT_AUTH_FILE_NAME) {
+    return;
+  }
+
+  equal(aData, SSS_STATE_FILE_NAME);
+  ok(gExpectingWrites);
+
+  let stateFile = gProfileDir.clone();
+  stateFile.append(SSS_STATE_FILE_NAME);
+  ok(stateFile.exists());
+  let stateFileContents = readFile(stateFile);
+  // the last line is removed because it's just a trailing newline
+  let lines = stateFileContents.split("\n").slice(0, -1);
+  equal(lines.length, EXPECTED_ENTRIES);
+  let sites = {}; // a map of domain name -> [the entry in the state file]
+  for (let line of lines) {
+    let parts = line.split("\t");
+    let host = parts[0];
+    let entry = parts[3].split(",");
+    let expectedColumns = EXPECTED_HSTS_COLUMNS;
+    equal(entry.length, expectedColumns);
+    sites[host] = entry;
+  }
+
+  // While we're still processing headers, multiple writes of the backing data
+  // can be scheduled, and thus we can receive multiple data-storage-written
+  // notifications. In these cases, the data may not be as we expect. We only
+  // care about the final one being correct, however, so we return and wait for
+  // the next event if things aren't as we expect.
+  // each sites[url][1] should be SecurityPropertySet (i.e. 1).
+  // sites[url][2] corresponds to includeSubdomains, so every other one should
+  // be set (i.e. 1);
+  if (sites["includesubdomains.preloaded.test:HSTS"][1] != 1) {
+    return;
+  }
+  if (sites["includesubdomains.preloaded.test:HSTS"][2] != 0) {
+    return;
+  }
+  if (sites["a.example.com:HSTS"][1] != 1) {
+    return;
+  }
+  if (sites["a.example.com:HSTS"][2] != 1) {
+    return;
+  }
+  if (sites["b.example.com:HSTS"][1] != 1) {
+    return;
+  }
+  if (sites["b.example.com:HSTS"][2] != 0) {
+    return;
+  }
+  if (sites["c.c.example.com:HSTS"][1] != 1) {
+    return;
+  }
+  if (sites["c.c.example.com:HSTS"][2] != 1) {
+    return;
+  }
+  if (sites["d.example.com:HSTS"][1] != 1) {
+    return;
+  }
+  if (sites["d.example.com:HSTS"][2] != 0) {
+    return;
+  }
+
+  // If we get here, the file was as expected and we no longer expect any
+  // data-storage-written notifications.
+  gExpectingWrites = false;
+
+  // Process the headers again to test that seeing them again after such a
+  // short delay doesn't cause another write.
+  process_headers();
+
+  // Wait a bit before finishing the test, to see if another write happens.
+  do_timeout(2000, function () {
+    do_test_finished();
+  });
+}
+
+function process_headers() {
+  let SSService = Cc["@mozilla.org/ssservice;1"].getService(
+    Ci.nsISiteSecurityService
+  );
+
+  let uris = [
+    Services.io.newURI("http://includesubdomains.preloaded.test"),
+    Services.io.newURI("http://a.example.com"),
+    Services.io.newURI("http://b.example.com"),
+    Services.io.newURI("http://c.c.example.com"),
+    Services.io.newURI("http://d.example.com"),
+  ];
+
+  for (let i = 0; i < 1000; i++) {
+    let uriIndex = i % uris.length;
+    // vary max-age, but have it be within one day of one year
+    let maxAge = "max-age=" + (i + 31536000);
+    // have every other URI set includeSubdomains
+    let includeSubdomains = uriIndex % 2 == 1 ? "; includeSubdomains" : "";
+    SSService.processHeader(uris[uriIndex], maxAge + includeSubdomains);
+  }
+}
+
+function run_test() {
+  Services.prefs.setIntPref("test.datastorage.write_timer_ms", 100);
+  gProfileDir = do_get_profile();
+  process_headers();
+  do_test_pending();
+  Services.obs.addObserver(checkStateWritten, "data-storage-written");
+}